MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cd812b6666f97c8b70f00075e585b0f3be63564c4f585144dd0b74f279abeab8. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


AgentTesla


Vendor detections: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cd812b6666f97c8b70f00075e585b0f3be63564c4f585144dd0b74f279abeab8
SHA3-384 hash: b42940b0d2b1a5fe513ca07ba59a051a444a3a12e0442fa30ce27721db828508351ccac9a3090b742b9721cd7b86e8ba
SHA1 hash: eb527ebf845b77ce246ad2510b53125e7b84d013
MD5 hash: f1d6de4dabab4f0b710054c141dfbb52
humanhash: jersey-summer-sierra-spaghetti
File name:R098765434567800.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'663'488 bytes
First seen:2023-02-27 09:03:58 UTC
Last seen:2023-02-27 10:49:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:e0n1A8H53MgpjKIYtPbkzN5Lg5pYOdue:t1A8H53Mgp8pYk
Threatray 935 similar samples on MalwareBazaar
TLSH T1B275A5223EFB501BE473FF769EE43996DA2DB6623B07D249145903460F62B01CEE117A
TrID 56.5% (.EXE) Win64 Executable (generic) (10523/12/4)
11.0% (.ICL) Windows Icons Library (generic) (2059/9)
10.9% (.EXE) OS/2 Executable (generic) (2029/13)
10.7% (.EXE) Generic Win/DOS Executable (2002/3)
10.7% (.EXE) DOS Executable Generic (2000/1)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
182
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
R098765434567800.exe
Verdict:
Malicious activity
Analysis date:
2023-02-27 09:17:47 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c125af8d-7f3b-45a5-a222-23bd0fcc61fc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/370062/
Detection(s):
SecuriteInfo.com.Trojan.Generic.33242604.9532.1598.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Reading critical registry keys
Creating a window
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
cerbu greyware
Link:
https://www.filescan.io/uploads/63fc722581c7f31327fa389b/reports/23d81284-9b4b-4ca7-bb3f-85640c3a664f/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/cd812b6666f97c8b70f00075e585b0f3be63564c4f585144dd0b74f279abeab8
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9a818a74-94ea-43af-8b3a-9c77dc4b5b38
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1183957
Signature
Allocates memory in foreign processes
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Injects a PE file into a foreign processes
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: RegAsm connects to smtp port
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 816789 Sample: R098765434567800.exe Startdate: 28/02/2023 Architecture: WINDOWS Score: 100 24 Multi AV Scanner detection for submitted file 2->24 26 Sigma detected: RegAsm connects to smtp port 2->26 28 Yara detected AgentTesla 2->28 30 Machine Learning detection for sample 2->30 6 R098765434567800.exe 3 2->6         started        process3 file4 16 C:\Users\user\...\R098765434567800.exe.log, CSV 6->16 dropped 32 Writes to foreign memory regions 6->32 34 Allocates memory in foreign processes 6->34 36 Injects a PE file into a foreign processes 6->36 38 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 6->38 10 RegAsm.exe 15 2 6->10         started        14 RegAsm.exe 6->14         started        signatures5 process6 dnsIp7 18 smtp.ionos.es 213.165.67.102, 49696, 587 ONEANDONE-ASBrauerstrasse48DE Germany 10->18 20 api4.ipify.org 64.185.227.155, 443, 49695 WEBNXUS United States 10->20 22 api.ipify.org 10->22 40 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 10->40 42 Tries to steal Mail credentials (via file / registry access) 10->42 44 Tries to harvest and steal browser information (history, passwords, etc) 10->44 46 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->46 48 May check the online IP address of the machine 14->48 50 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 14->50 signatures8
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cd812b6666f97c8b70f00075e585b0f3be63564c4f585144dd0b74f279abeab8/
Threat name:
ByteCode-MSIL.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-02-21 02:43:21 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
1
AV detection:
23 of 39 (58.97%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zwaswztg7f6iw4hqab26lbnq6o7ggvsmj5mfcrg5bn2pe6nl5k4a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
3c95ad2e565262c2324a40bb1778e70a197d6452a9a7457d0fd639befa1466d4
AgentTesla
4097ec9b7e47872f529451d84c79c68d22016553e63c95162306354a1b15a9d1
AgentTesla
90dbe727caa8557cb4d67c58b52194324ecb9496d80b33ecf776ee19e650e6fc
AgentTesla
9450b0c1420aae6d8f00f22aa358eab37a25eaa209f9e28ead150cdcb0508023
AgentTesla
99cf88c829d3c072a3ed4cdd282d9876f4bc32fa3ccfa12180910caa15ba351e
AgentTesla
c7c1aa5bf654dfc21dad08e60e12793a2747163bf9229d73e8926cf60e792363
AgentTesla
d548bfcde55e09b8314b273b6fc1eff79563961b965cb83a763f4bb1b6c424ac
AgentTesla
+ 925 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230227-k1my6scg58/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
cd812b6666f97c8b70f00075e585b0f3be63564c4f585144dd0b74f279abeab8
MD5 hash:
f1d6de4dabab4f0b710054c141dfbb52
SHA1 hash:
eb527ebf845b77ce246ad2510b53125e7b84d013
Link:
https://www.unpac.me/results/89584b55-7c41-4731-90bd-4815bec6ddf2/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/cd812b6666f97c8b70f00075e585b0f3be63564c4f585144dd0b74f279abeab8

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe cd812b6666f97c8b70f00075e585b0f3be63564c4f585144dd0b74f279abeab8

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/370062/

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